EP1772334A2 - Manufacturing process of a hydraulic unit and a hydraulic unit - Google Patents

Manufacturing process of a hydraulic unit and a hydraulic unit Download PDF

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Publication number
EP1772334A2
EP1772334A2 EP06121162A EP06121162A EP1772334A2 EP 1772334 A2 EP1772334 A2 EP 1772334A2 EP 06121162 A EP06121162 A EP 06121162A EP 06121162 A EP06121162 A EP 06121162A EP 1772334 A2 EP1772334 A2 EP 1772334A2
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EP
European Patent Office
Prior art keywords
hydraulic
control unit
hydraulic device
unit
hydraulic unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
EP06121162A
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German (de)
French (fr)
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EP1772334A3 (en
Inventor
Sezgin Acar
Reinhard Vetter
Oliver Gradtke
Stefan Lehenberger
Andreas Weh
Ruediger Schoen-Hermenau
Andreas Seeger
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Robert Bosch GmbH
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Robert Bosch GmbH
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Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP1772334A2 publication Critical patent/EP1772334A2/en
Publication of EP1772334A3 publication Critical patent/EP1772334A3/en
Ceased legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
    • B60T8/36—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition including a pilot valve responding to an electromagnetic force
    • B60T8/3615—Electromagnetic valves specially adapted for anti-lock brake and traction control systems
    • B60T8/3675—Electromagnetic valves specially adapted for anti-lock brake and traction control systems integrated in modulator units

Definitions

  • the invention relates to a method for producing a hydraulic unit of a hydraulic vehicle brake system and to a hydraulic unit created by means of such a manufacturing method.
  • hydraulic units are used to control the pressure to be applied to the wheel brakes of the vehicle brake system.
  • the pressure is determined with the help of the hydraulic unit the wheel brakes in response to a transmitted via a brake pedal driver request and other parameters measured in particular on the associated vehicle.
  • the hydraulic unit has for this purpose a hydraulic device which comprises a pump driven by an electric motor in a pump housing and held in the pump housing solenoid valves.
  • a control unit is provided on this hydraulic device, with which both the electric motor and the solenoid valves can be controlled.
  • the control unit has a circuit with electronic components and contact means to the electric motor and the solenoid valves.
  • a vehicle brake system is basically a safety-critical element of a vehicle, very high safety requirements are made with regard to the operation of such hydraulic units.
  • the hydraulic units are largely operated under very adverse environmental conditions, such as in the engine compartment of an associated vehicle.
  • the method according to the invention comprises the steps of: providing a control device and a hydraulic device, preparing a locking between the control device and the hydraulic device, preparing a bond between the control device and the hydraulic device, assembling the control device and hydraulic device and holding the control device on the hydraulic device by means of the latching at least during a curing of the bond between the controller and the hydraulic device.
  • the hydraulic unit according to the invention is characterized in that its control unit is held stationary on the hydraulic device both by means of a bond and a latching.
  • Adhesive bonding of components in a manufacturing or assembly process is relatively difficult to produce.
  • a bond has the disadvantage that the adhesive harden and during this curing process, the assembly of the hydraulic unit can not be continued.
  • This disadvantage is overcome according to the invention in that, in addition to a bond, a latching is produced between the control device and the hydraulic device, by means of which the two components are held together at least during the curing of the bond.
  • a locking can be made very inexpensively with the existing manufacturing processes of components for control unit and hydraulic device, namely usually injection molding and machining material processing and therefore represents almost no real overhead.
  • the saturation process can be continued without disturbing the curing process of the adhesive bond.
  • This advantage is particularly effective in bonds in which the curing takes place at room temperature. For such bonds, the required curing time is comparatively long.
  • the procedure according to the invention is furthermore preferably used for fastening a control device frame to a pump housing of a hydraulic device.
  • Such control device frame are pressed in today's hydraulic units as mentioned above usually by means of an inserted or injected rubber sealing ring against the associated pump housing.
  • more rivet or screw must be made in the rule. As soon as only one of these rivet or screw connections is faulty, at least costs arise for fault elimination.
  • a Klebefnurr is formed on at least the control unit or the hydraulic device according to the invention preferably in particular before joining control unit and hydraulic device.
  • the latching according to the invention is preferably formed by a first latching element on the control unit and a second latching element on the hydraulic unit.
  • This second latching element is advantageously formed on a solenoid valve belonging to the hydraulic device.
  • a variety of punching, embossing and / or deep-drawing processes are carried out during manufacture. With such processes can then be formed cost-neutral and said second latching element usually.
  • the second latching element is preferably formed on an end region of the solenoid valve remote from the rest of the hydraulic device and preferably in a magnet coil or magnet group housing.
  • the second latching element is preferably formed on an outer circumferential surface of a cylindrical magnet group housing of the solenoid valve.
  • a hydraulic unit 10 which includes a control unit 12 and a hydraulic device 14 as essential components.
  • the hydraulic device 14 is essentially formed by means of a substantially cuboid, here only partially shown pump housing 16, on which at least one solenoid valve 18 is inserted into a bore, not shown, on one of the side surfaces of the cuboid.
  • the solenoid valve 18 comprises a rod-shaped ram guide 20, which is surrounded by a hollow cylindrical magnet group housing 22.
  • a magnetic coil 24 which is used for selectively moving a slidably mounted in the plunger guide 20, not shown plunger.
  • the control unit 12 is formed with an essentially likewise parallelepiped-shaped, injection-molded and comparatively thin-walled electronics housing 26, in which a printed circuit board 28 is accommodated and which is closed by means of a cover 30.
  • locking pin 34 associated latching openings 36 are formed on the end remote from the pump housing 16 end portion of the magnet group housing 22 and in particular on its end face. In this so belonging to the hydraulic device 14 locking openings 36 penetrate the control unit 12 associated locking pin 34 when placing the control unit 12 on the hydraulic device 14 and it is thereby created a locking of these components.
  • a peripheral around this edge groove 38 has been created during the injection process of the electronics housing 26.
  • a Klebefnurr 40 is introduced by means of a metering device for adhesive material, not shown.
  • this Klebefnurr 40 is then slightly deformed while placing the edge of the electronics housing 26 on the associated edge of the pump housing 16 until the locking of the locking pin 34 is completely made in the locking openings 36.
  • control unit 12 can be glued in the area of the Klebefnurr 40 by a curing operation at room temperature so that even under adverse environmental conditions over the entire service life of the hydraulic unit 10 away persisting seal is created.
  • adhesive provided, a secure mechanical connection between the control unit 12 and the hydraulic device 14 is also created in view of the vibrations and impacts acting on the hydraulic unit 10 during operation.
  • a hydraulic unit 10 which is designed in view of the essential shape of the control unit 12 and hydraulic device 14 as the embodiment shown in Fig. 1.
  • FIG. 2 differs in terms of there with the locking pin 34 and the detent openings 36 created latching.
  • a catch is not formed at the end of the magnet group housing 22, but rather at its outer circumferential surface.
  • latching tabs 42 are formed on the inside 32 of the electronics housing 26, which partially surround the magnet group housing 22 on the outside in the longitudinal direction.
  • the locking tabs 42 engage behind locking lugs 44 which have been impressed on this outside of the magnet group housing 22 during its production.
  • This locking is also made during the placement of the controller 12 on the hydraulic device 14 after previously introducing a Klebefnurr 40 to a groove 38 on the edge of the electronics housing 26. In this way, in turn, a subsequent possibly longer lasting Curing process on the bond produced in this way possible, while at the same time a further assembly is completed with the hydraulic unit.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Regulating Braking Force (AREA)
  • Braking Systems And Boosters (AREA)

Abstract

Method involves initialization of a control unit (12) and hydraulic unit (14), and arrangement for locking (34,36) between the control unit and hydraulic unit whereby arrangement is done for bonding (40) between the control unit and hydraulic unit. Assembling of control unit and hydraulic unit is done whereby holding of control unit at the hydraulic unit is done through locking hardening of bonding between the control unit and hydraulic unit. An independent claim is also included for the hydraulic assembly.

Description

Die Erfindung betrifft ein Verfahren zum Herstellen eines Hydroaggregats einer hydraulischen Fahrzeugbremsanlage sowie ein mit einem derartigen Herstellungsverfahren geschaffenes Hydroaggregat.The invention relates to a method for producing a hydraulic unit of a hydraulic vehicle brake system and to a hydraulic unit created by means of such a manufacturing method.

Bei modernen hydraulischen Fahrzeugbremsanlagen werden Hydroaggregate zum Steuern des an Radbremsen der Fahrzeugbremsanlage anzulegenden Drucks verwendet. Der Druck wird dabei mit Hilfe des Hydroaggregats den Radbremsen in Abhängigkeit von einem über ein Bremspedal übermittelten Fahrerwunsch und weiteren insbesondere am zugehörigen Fahrzeug gemessenen Parametern bestimmt. Das Hydroaggregat weist dazu ein Hydraulikgerät auf, welches eine von einem Elektromotor angetriebene Pumpe in einem Pumpengehäuse und in dem Pumpengehäuse gehaltene Magnetventile umfasst. Ferner ist an diesem Hydraulikgerät ein Steuergerät vorgesehen, mit dem sowohl der Elektromotor als auch die Magnetventile angesteuert werden können. Das Steuergerät weist dazu in der Regel eine Schaltung mit elektronischen Bauelementen und Kontaktmittel zu dem Elektromotor sowie den Magnetventilen auf.In modern hydraulic vehicle brake systems, hydraulic units are used to control the pressure to be applied to the wheel brakes of the vehicle brake system. The pressure is determined with the help of the hydraulic unit the wheel brakes in response to a transmitted via a brake pedal driver request and other parameters measured in particular on the associated vehicle. The hydraulic unit has for this purpose a hydraulic device which comprises a pump driven by an electric motor in a pump housing and held in the pump housing solenoid valves. Further, a control unit is provided on this hydraulic device, with which both the electric motor and the solenoid valves can be controlled. As a rule, the control unit has a circuit with electronic components and contact means to the electric motor and the solenoid valves.

Da eine Fahrzeugbremsanlage grundsätzlich ein sicherheitskritisches Element eines Fahrzeugs darstellt, werden hinsichtlich des Betriebs derartiger Hydroaggregate sehr hohe Sicherheitsanforderungen gestellt. Darüber hinaus werden die Hydroaggregate größtenteils unter sehr widrigen Umgebungsbedingungen, beispielsweise im Motorraum eines zugehörigen Fahrzeugs, betrieben.Since a vehicle brake system is basically a safety-critical element of a vehicle, very high safety requirements are made with regard to the operation of such hydraulic units. In addition, the hydraulic units are largely operated under very adverse environmental conditions, such as in the engine compartment of an associated vehicle.

Es ist eine Aufgabe der Erfindung ein Verfahren zum Herstellen eines Hydroaggregats einer hydraulischen Fahrzeugbremsanlage sowie ein entsprechend hergestelltes Hydroaggregat zu schaffen, mit dem eine sicherer Betrieb auch unter sehr widrigen Umgebungsbedingungen gewährleistet ist.It is an object of the invention to provide a method for producing a hydraulic unit of a hydraulic vehicle brake system and a correspondingly manufactured hydraulic unit, with which a safe operation is ensured even under very adverse environmental conditions.

Diese Aufgabe ist erfindungsgemäß mit einem Verfahren zum Herstellen eines Hydroaggregats mit einer hydraulischen Fahrzeugbremsanlage gemäß Anspruch 1 und einem Hydroaggregat einer hydraulischen Fahrzeugbremsanlage gemäß Anspruch 4 gelöst. Vorteilhafte Weiterbildungen der Erfindung sind in den abhängigen Ansprüchen beschrieben.This object is achieved with a method for producing a hydraulic unit with a hydraulic vehicle brake system according to claim 1 and a hydraulic unit of a hydraulic vehicle brake system according to claim 4. Advantageous developments of the invention are described in the dependent claims.

Das erfindungsgemäße Verfahren umfasst die Schritte: Bereitstellen eines Steuergeräts und eines Hydraulikgeräts, Vorbereiten einer Verrastung zwischen dem Steuergerät und dem Hydraulikgerät, Vorbereiten einer Verklebung zwischen dem Steuergerät und dem Hydraulikgerät, Zusammenfügen von Steuergerät und Hydraulikgerät sowie Halten des Steuergeräts am Hydraulikgerät mittels der Verrastung zumindest während eines Aushärtens der Verklebung zwischen dem Steuergerät und dem Hydraulikgerät. Das erfindungsgemäße Hydraulikaggregat ist dadurch gekennzeichnet, dass sein Steuergerät an dem Hydraulikgerät sowohl mittels einer Verklebung als auch einer Verrastung ortsfest gehalten ist.The method according to the invention comprises the steps of: providing a control device and a hydraulic device, preparing a locking between the control device and the hydraulic device, preparing a bond between the control device and the hydraulic device, assembling the control device and hydraulic device and holding the control device on the hydraulic device by means of the latching at least during a curing of the bond between the controller and the hydraulic device. The hydraulic unit according to the invention is characterized in that its control unit is held stationary on the hydraulic device both by means of a bond and a latching.

Im Gegensatz zu herkömmlichen Hydroaggregaten, bei denen in der Regel die Verbindung zwischen Steuergerät und Hydraulikgerät mittels einer Gummidichtung und einer Verschraubung geschaffen ist, ist erfindungsgemäß eine Verklebung dieser beiden wesentlichen Bauteile eines Hydroaggregats vorgesehen. Mit der Verklebung wird eine über die Betriebsdauer des Hydroaggregats auch unter widrigen und stark wechselhaften Umgebungsbedingungen dichte Verbindung zwischen Steuergerät und Hydraulikgerät hergestellt. Da die Verbindungsstelle zwischen diesen beiden Bauteilen des Hydroaggregats in der Regel vergleichsweise großflächig ist, schafft diese erfindungsgemäß hergestellte Dichtklebung erhöhte Sicherheit.In contrast to conventional hydraulic units, in which the connection between the control unit and the hydraulic device is usually created by means of a rubber seal and a screw connection, according to the invention a bonding of these two essential components of a hydraulic unit is provided. Bonding produces a tight connection between the control unit and the hydraulic unit over the service life of the hydraulic unit, even under adverse and highly variable environmental conditions. As the joint between these two components of the hydraulic unit usually comparatively large area, this invention produced sealing adhesive creates increased security.

Ein Verkleben von Bauteilen ist in einem Herstellungs- bzw. Montageprozess jedoch vergleichsweise schwierig herzustellen. Zunächst ist der Umgang mit Klebematerial für derartige Verklebungen nicht ganz unproblematisch. Darüber hinaus hat eine Verklebung den Nachteil, dass der Kleber aushärten und während dieses Aushärteprozesses die Montage des Hydroaggregats nicht weitergeführt werden kann. Dieser Nachteil wird erfindungsgemäß dadurch überwunden, dass zwischen dem Steuergerät und dem Hydraulikgerät zusätzlich zu einer Verklebung eine Verrastung hergestellt wird, mittels der die beiden Bauteile zumindest während des Aushärtens der Verklebung zusammengehalten werden. Eine Verrastung kann mit dem bereits bestehenden Fertigungsprozessen der Bauteile für Steuergerät und Hydraulikgerät, nämlich in der Regel Spritzgießen und spanende Materialbearbeitung, sehr kostengünstig hergestellt werden und stellt daher nahezu keinen wirklichen Mehraufwand dar.Adhesive bonding of components in a manufacturing or assembly process, however, is relatively difficult to produce. First, the handling of adhesive material for such bonds is not without problems. In addition, a bond has the disadvantage that the adhesive harden and during this curing process, the assembly of the hydraulic unit can not be continued. This disadvantage is overcome according to the invention in that, in addition to a bond, a latching is produced between the control device and the hydraulic device, by means of which the two components are held together at least during the curing of the bond. A locking can be made very inexpensively with the existing manufacturing processes of components for control unit and hydraulic device, namely usually injection molding and machining material processing and therefore represents almost no real overhead.

So kann erfindungsgemäß trotz Verwendung einer Dichtklebeverbindung zur Befestigung eines Steuergeräts an einem Hydraulikgerät der Monatageprozess weitergeführt werden, ohne den Aushärteprozess der Verklebung zu stören. Dieser Vorteil wirkt sich insbesondere bei Verklebungen aus, bei denen das Aushärten bei Raumtemperatur geschieht. Bei solchen Verklebungen ist die erforderliche Aushärtezeit nämlich vergleichsweise lang.Thus, according to the invention, despite the use of a sealing adhesive connection for fastening a control device to a hydraulic device, the saturation process can be continued without disturbing the curing process of the adhesive bond. This advantage is particularly effective in bonds in which the curing takes place at room temperature. For such bonds, the required curing time is comparatively long.

Die erfindungsgemäße Vorgehensweise wird ferner bevorzugt zum Befestigen eines Steuergeräterahmens an einem Pumpengehäuse eines Hydraulikgeräts verwendet. Derartige Steuergeräterrahmen werden bei heutigen Hydraulikaggregaten wie oben bereits erwähnt in der Regel mittels eines eingelegten oder eingespritzten Gummidichtrings gegen das zugehörige Pumpengehäuse verpresst. Dazu müssen in der Regel mehrere Niet- oder Schraubverbindungen hergestellt werden. Sobald nur eine dieser Niet- oder Schraubverbindungen fehlerhaft ist, entstehen zumindest Kosten für die Fehlerbeseitigung.The procedure according to the invention is furthermore preferably used for fastening a control device frame to a pump housing of a hydraulic device. Such control device frame are pressed in today's hydraulic units as mentioned above usually by means of an inserted or injected rubber sealing ring against the associated pump housing. For this purpose, more rivet or screw must be made in the rule. As soon as only one of these rivet or screw connections is faulty, at least costs arise for fault elimination.

Um insbesondere eine derartige Verbindung zwischen einem Steuergeräterahmen und einem Pumpengehäuse herzustellen, wird erfindungsgemäß bevorzugt insbesondere vor einem Zusammenfügen von Steuergerät und Hydraulikgerät eine Klebeschnurr an zumindest dem Steuergerät oder dem Hydraulikgerät ausgebildet.In order to produce in particular such a connection between a control device frame and a pump housing, a Klebefnurr is formed on at least the control unit or the hydraulic device according to the invention preferably in particular before joining control unit and hydraulic device.

Die erfindungsgemäße Verrastung wird bevorzugt durch eine erstes Rastelement am Steuergerät und ein zweites Rastelement am Hydraulikgerät gebildet. Dieses zweite Rastelement ist vorteilhaft an einem zum Hydraulikgerät gehörenden Magnetventil ausgebildet. An den einzelnen Bauteilen eines solchen Magnetventils werden während der Herstellung verschiedenste Stanz-, Präge- und/oder Tiefziehprozesse durchgeführt. Mit derartigen Prozessen kann dann in der Regel kostenneutral auch das genannte zweite Rastelement ausgebildet werden.The latching according to the invention is preferably formed by a first latching element on the control unit and a second latching element on the hydraulic unit. This second latching element is advantageously formed on a solenoid valve belonging to the hydraulic device. At the individual components of such a solenoid valve a variety of punching, embossing and / or deep-drawing processes are carried out during manufacture. With such processes can then be formed cost-neutral and said second latching element usually.

Um eine besonders platzsparende und zugleich prozessischer herzustellende Verbindung der genannten Rastelemente zu erzeugen ist das zweite Rastelement bevorzugt an einem vom restlichen Hydraulikgerät abgewandten Endbereich des Magnetventils und bevorzugt in einem Magnetspulen- bzw. Magnetgruppengehäuse ausgebildet.In order to produce a particularly space-saving and at the same time process-produced connection of said latching elements, the second latching element is preferably formed on an end region of the solenoid valve remote from the rest of the hydraulic device and preferably in a magnet coil or magnet group housing.

Alternativ oder zusätzlich ist das zweite Rastelement vorzugsweise an einer äußeren Mantelfläche eines zylindrischen Magnetgruppengehäuses des Magnetventils ausgebildet.Alternatively or additionally, the second latching element is preferably formed on an outer circumferential surface of a cylindrical magnet group housing of the solenoid valve.

Nachfolgend werden Ausführungsbeispiele von Verfahren zum Herstellen erfindungsgemäßer Hydroaggregate an entsprechend hergestellten Hydroaggregaten anhand der beigefügten schematischen Zeichnungen näher erläutert. Es zeigt:

  • Fig. 1 einen teilweisen Längsschnitt eines ersten Ausführungsbeispiels eines erfmdungsgemäßen Hydroaggregats und
  • Fig. 2 einen teilweisen Längsschnitt eines zweiten Ausführungsbeispiels eines erfindungsgemäßen Hydroaggregats.
Exemplary embodiments of methods for producing hydraulic units according to the invention on correspondingly manufactured hydraulic units will be explained in more detail below with reference to the attached schematic drawings. It shows:
  • 1 is a partial longitudinal section of a first embodiment of a hydraulic unit according to the invention and
  • Fig. 2 is a partial longitudinal section of a second embodiment of a hydraulic unit according to the invention.

In Fig. 1 ist ein Ausführungsbeispiel eines Hydroaggregats 10 veranschaulicht, welches als wesentliche Bauteile ein Steuergerät 12 und ein Hydraulikgerät 14 umfasst. Das Hydraulikgerät 14 ist im Wesentlichen mittels eines im Wesentlichen quaderförmigen, hier nur abschnittsweise dargestellten Pumpengehäuses 16 gebildet, an dem an einer der Seitenflächen des Quaders zumindest ein Magnetventil 18 in eine nicht dargestellte Bohrung eingesteckt ist. Das Magnetventil 18 umfasst eine stabförmige Stößelführung 20, welche von einem hohlzylindrischen Magnetgruppengehäuse 22 umgeben ist. In dem Magnetgruppengehäuse 22 befindet sich eine Magnetspule 24 welche zum wahlweisen Bewegen eines in der Stößelführung 20 verschiebbar gelagerten, nicht dargestellten Stößels dient.1, an embodiment of a hydraulic unit 10 is illustrated, which includes a control unit 12 and a hydraulic device 14 as essential components. The hydraulic device 14 is essentially formed by means of a substantially cuboid, here only partially shown pump housing 16, on which at least one solenoid valve 18 is inserted into a bore, not shown, on one of the side surfaces of the cuboid. The solenoid valve 18 comprises a rod-shaped ram guide 20, which is surrounded by a hollow cylindrical magnet group housing 22. In the magnet group housing 22 is a magnetic coil 24 which is used for selectively moving a slidably mounted in the plunger guide 20, not shown plunger.

Das Steuergerät 12 ist mit einem im Wesentlichen ebenfalls quaderförmigen, spritzgegossenen und vergleichsweise dünnwandigen Elektronikgehäuse 26 gebildet, in dem eine Leiterplatte 28 aufgenommen und welches mittels eines Deckels 30 verschlossen ist.The control unit 12 is formed with an essentially likewise parallelepiped-shaped, injection-molded and comparatively thin-walled electronics housing 26, in which a printed circuit board 28 is accommodated and which is closed by means of a cover 30.

An einer zum Pumpengehäuse 16 gewandeten Innenseite 32 des in diesem Bereich becherförmig über das Magnetgruppengehäuse 22 gestülpten Elektronikgehäuses 26 sind zwei zum Pumpengehäuse 16 hin von der Innenseite 32 abstehende Rastzapfen 34 während des Spritzvorgangs des Elektronikgehäuses 26 ausgebildet worden.On one facing the pump housing 16 inside 32 of the cup-shaped in this area on the magnet assembly housing 22 electronics housing 26 two projecting towards the pump housing 16 from the inside 32 locking pin 34 have been formed during the injection process of the electronics housing 26.

Gegenüber von diesen Rastzapfen 34 sind an dem vom Pumpengehäuse 16 abgewandten Endbereich des Magnetgruppengehäuses 22 und insbesondere an dessen Stirnseite zugehörige Rastöffnungen 36 ausgebildet. In dies damit zum Hydraulikgerät 14 gehörenden Rastöffnungen 36 dringen die zum Steuergerät 12 gehörenden Rastzapfen 34 beim Aufsetzen des Steuergerätes 12 auf das Hydraulikgerät 14 ein und es wird dadurch eine Verrastung dieser Bauteile geschaffen.Opposite these locking pin 34 associated latching openings 36 are formed on the end remote from the pump housing 16 end portion of the magnet group housing 22 and in particular on its end face. In this so belonging to the hydraulic device 14 locking openings 36 penetrate the control unit 12 associated locking pin 34 when placing the control unit 12 on the hydraulic device 14 and it is thereby created a locking of these components.

Ferner ist an dem zum Pumpengehäuse 16 gewandten Rand des Steuergerätes 12 eine um diesen Rand umlaufende Nut 38 während des Spritzvorgangs des Elektronikgehäuses 26 geschaffen worden. In diese Nut 38 wird während des nachfolgenden Montageprozesses noch vor dem oben genannten Zusammenfügen von Steuergerät 12 und Hydraulikgerät 14 eine Klebeschnurr 40 mittels einer nicht dargestellten Dosiereinrichtung für Klebermaterial eingebracht. Während des Zusammenfügens von Steuergerät 12 und Hydraulikgerät 14 wird diese Klebeschnurr 40 dann beim Aufsetzen des Randes des Elektronikgehäuses 26 auf den zugehörigen Rand des Pumpengehäuses 16 solange geringfügig verformt, bis die Verrastung der Rastzapfen 34 in den Rastöffnungen 36 vollständig hergestellt ist. Das damit am Hydraulikgerät 14 gehaltene Steuergerät 12 kann nachfolgend im Bereich der Klebeschnurr 40 durch einen Aushärtevorgang bei Raumtemperatur derart verklebt werden, dass eine auch unter widrigen Umgebungsbedingungen über die gesamte Betriebsdauer des Hydroaggregats 10 hinweg sicher bestehen bleibende Dichtung geschaffen ist. Mit der geschaffenen Verklebung ist ferner im Hinblick auf die auf das Hydraulikaggregat 10 während des Betriebs einwirkenden Erschütterungen und Stöße eine sichere mechanische Verbindung von Steuergerät 12 und Hydraulikgerät 14 geschaffen.Furthermore, on the side facing the pump housing 16 edge of the control unit 12, a peripheral around this edge groove 38 has been created during the injection process of the electronics housing 26. In this groove 38 is during the subsequent assembly process even before the above-mentioned joining of control unit 12 and hydraulic device 14, a Klebefnurr 40 is introduced by means of a metering device for adhesive material, not shown. During the assembly of the control unit 12 and hydraulic device 14, this Klebefnurr 40 is then slightly deformed while placing the edge of the electronics housing 26 on the associated edge of the pump housing 16 until the locking of the locking pin 34 is completely made in the locking openings 36. The thus held on the hydraulic device 14 control unit 12 can be glued in the area of the Klebefnurr 40 by a curing operation at room temperature so that even under adverse environmental conditions over the entire service life of the hydraulic unit 10 away persisting seal is created. With the adhesive provided, a secure mechanical connection between the control unit 12 and the hydraulic device 14 is also created in view of the vibrations and impacts acting on the hydraulic unit 10 during operation.

In Fig. 2 ist ein Ausführungsbeispiel eines Hydroaggregats 10 dargestellt, welches im Hinblick auf die wesentliche Gestalt von Steuergerät 12 und Hydraulikgerät 14 wie das in Fig. 1 dargestellte Ausführungsbeispiel gestaltet ist.In Fig. 2, an embodiment of a hydraulic unit 10 is shown, which is designed in view of the essential shape of the control unit 12 and hydraulic device 14 as the embodiment shown in Fig. 1.

Das Ausführungsbeispiel gemäß Fig. 2 unterscheidet sich jedoch im Hinblick auf die dort mit den Rastzapfen 34 und den Rastöffnungen 36 geschaffene Verrastung. Bei dem Ausführungsbeispiel gemäß Fig. 2 ist eine solche Verrastung nämlich nicht am Stimende des Magnetgruppengehäuses 22 gebildet, sondern an dessen äußerer Mantelfläche. Es sind dazu an der Innenseite 32 des Elektronikgehäuses 26 Rastlaschen 42 ausgebildet, welche das Magnetgruppengehäuse 22 außenseitig in Längsrichtung teilweise umgreifen. Die Rastlaschen 42 greifen hinter Rastnasen 44, welche an dieser Außenseite des Magnetgruppengehäuses 22 während dessen Herstellung eingeprägt worden sind. Diese Verrastung wird ebenfalls während des Aufsetzens des Steuergeräts 12 auf das Hydraulikgerät 14 nach vorhergehendem Einbringen einer Klebeschnurr 40 an einer Nut 38 am Rand des Elektronikgehäuses 26 hergestellt. Auf diese Weise ist wiederum ein nachfolgend gegebenenfalls auch länger andauernder Aushärtevorgang an der derart hergestellten Verklebung möglich, während zugleich eine weitere Montage mit dem Hydroaggregat vollzogen wird.However, the embodiment of FIG. 2 differs in terms of there with the locking pin 34 and the detent openings 36 created latching. In the embodiment according to FIG. 2, such a catch is not formed at the end of the magnet group housing 22, but rather at its outer circumferential surface. For this purpose, latching tabs 42 are formed on the inside 32 of the electronics housing 26, which partially surround the magnet group housing 22 on the outside in the longitudinal direction. The locking tabs 42 engage behind locking lugs 44 which have been impressed on this outside of the magnet group housing 22 during its production. This locking is also made during the placement of the controller 12 on the hydraulic device 14 after previously introducing a Klebefnurr 40 to a groove 38 on the edge of the electronics housing 26. In this way, in turn, a subsequent possibly longer lasting Curing process on the bond produced in this way possible, while at the same time a further assembly is completed with the hydraulic unit.

Claims (8)

Verfahren zum Herstellen eines Hydroaggregats (10) einer hydraulischen Fahrzeugbremsanlage mit den Schritten: Bereitstellen eines Steuergeräts (12) und eines Hydraulikgeräts (14), Vorbereiten einer Verrastung (34, 36; 42, 44) zwischen dem Steuergerät (12) und dem Hydraulikgerät (14), Vorbereiten einer Verklebung (40) zwischen dem Steuergerät (12) und dem Hydraulikgerät (14), Zusammenfügen von Steuergerät (12) und Hydraulikgerät (14) sowie Halten des Steuergeräts (12) am Hydraulikgerät (14) mittels der Verrastung (34, 36; 42, 44) zumindest während eines Aushärtens der Verklebung (40) zwischen dem Steuergerät (12) und dem Hydraulikgerät (14). Method for producing a hydraulic unit (10) of a hydraulic vehicle brake system comprising the steps: Providing a control device (12) and a hydraulic device (14), Preparing a lock (34, 36, 42, 44) between the control unit (12) and the hydraulic device (14), Preparing a bond (40) between the control unit (12) and the hydraulic device (14), Assembly of control unit (12) and hydraulic device (14) and Holding the control unit (12) on the hydraulic device (14) by means of the latching (34, 36, 42, 44) at least during a curing of the bond (40) between the control unit (12) and the hydraulic device (14). Verfahren nach Anspruch 1,
gekennzeichnet durch den Schritt: Vorbereiten der Verklebung durch Ausbilden einer Klebeschnur (40) an zumindest dem Steuergerät (12) oder dem Hydraulikgerät (14). Method according to claim 1,
characterized by the step: Prepare the bond by forming an adhesive cord (40) on at least the controller (12) or the hydraulic device (14). Verfahren nach Anspruch 1 oder 2,
gekennzeichnet durch den Schritt: Vorbereiten der Verrastung (34, 36; 42, 44) durch Ausbilden zumindest eines ersten Rastelements (34; 42) am Steuergerät (12) und durch Ausbilden zumindest eines zweiten Rastelements (36; 44) an einem zum Hydraulikgerät (14) gehörenden Magnetventil (18). Method according to claim 1 or 2,
characterized by the step: Preparing the latching (34, 36, 42, 44) by forming at least one first latching element (34, 42) on the control unit (12) and by forming at least one second latching element (36, 44) on a solenoid valve (18) belonging to the hydraulic device (14). Hydroaggregat einer hydraulischen Fahrzeugbremsanlage mit einem Steuergerät (12), welches an einem Hydraulikgerät (14) ortsfest angebracht ist,
dadurch gekennzeichnet, dass das Steuergerät (12) an dem Hydraulikgerät (14) mittels einer Verklebung (40) und einer Verrastung (34, 36; 42, 44) gehalten ist.Hydraulic unit of a hydraulic vehicle brake system with a control unit (12) which is fixedly attached to a hydraulic device (14),
characterized in that the control device (12) on the hydraulic device (14) by means of a bond (40) and a latch (34, 36, 42, 44) is held. Hydroaggregat nach Anspruch 4,
dadurch gekennzeichnet, dass die Verklebung mit einer Klebeschnur (40) zwischen dem Steuergerät (12) und dem Hydraulikgerät (14) gebildet ist.Hydraulic unit according to claim 4,
characterized in that the bond is formed with an adhesive cord (40) between the control unit (12) and the hydraulic device (14). Hydroaggregat nach Anspruch 4 oder 5,
dadurch gekennzeichnet, dass die Verrastung (34, 36; 42, 44) mit zumindest einem ersten Rastelement (34; 42) und zumindest einem zweiten Rastelement (36; 44) gebildet ist, von denen das zumindest eine erste Rastelement (34; 42) am Steuergerät (12) und das zumindest eine zweite Rastelement (36; 44) an einem zum Hydraulikgerät (14) gehörenden Magnetventil (18) ausgebildet sind.Hydraulic unit according to claim 4 or 5,
characterized in that the latching (34, 36; 42, 44) is formed with at least one first latching element (34; 42) and at least one second latching element (36; 44), of which the at least one first latching element (34; 42) on the control unit (12) and the at least one second latching element (36; 44) are formed on a solenoid valve (18) belonging to the hydraulic device (14). Hydroaggregat nach Anspruch 6,
dadurch gekennzeichnet, dass das zweite Rastelement (36) an einem vom restlichen Hydraulikgerät (14) abgewandten Endbereich des Magnetventils (18) und bevorzugt in einem Magnetgruppengehäuse (22) ausgebildet ist.Hydraulic unit according to claim 6,
characterized in that the second latching element (36) on one of the remaining hydraulic device (14) facing away from the end portion of the solenoid valve (18) and preferably in a magnet group housing (22) is formed. Hydroaggregat nach Anspruch 6,
dadurch gekennzeichnet, dass das zweite Rastelement (44) an einer äußeren Mantelfläche eines zylindrischen Magnetgruppengehäuses (22) des Magnetventils (18) ausgebildet ist.Hydraulic unit according to claim 6,
characterized in that the second latching element (44) on an outer circumferential surface of a cylindrical magnet group housing (22) of the solenoid valve (18) is formed.
EP06121162A 2005-10-06 2006-09-25 Manufacturing process of a hydraulic unit and a hydraulic unit Ceased EP1772334A3 (en)

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DE200510047918 DE102005047918A1 (en) 2005-10-06 2005-10-06 Method for producing a hydraulic unit and hydraulic unit manufactured therewith

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WO2013104469A1 (en) * 2012-01-11 2013-07-18 Continental Teves Ag & Co. Ohg Hydraulic unit
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WO2021038376A1 (en) * 2019-08-29 2021-03-04 ロベルト・ボッシュ・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング Hydraulic control unit, brake system, and saddle-type vehicle
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Also Published As

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EP1772334A3 (en) 2009-09-30
DE102005047918A1 (en) 2007-04-12
CN101004191A (en) 2007-07-25

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